When your RV's slide-out seal starts to wear, you may be looking at two part numbers: 018-312-EKD and 018-341 EK. In rv camper systems accessories, these numbers come in two familiar forms: a lower-priced New For RV Camper Slideout System RV Slide Out Seal 018-312-EKD 018-341 EK US and a costlier Combo RV Slide Out Seal 018-341 EK 018-312-EKD Fits RV Camper Slideout System. Both pair a 35-foot 018-312-EKD D-seal with a 35-foot 018-341 EK base, so the real question is what the extra money buys you.
Quick verdict
The New For product is the practical default. It covers the same D-seal and EK base pairing, and the combo product's extras don't change the seal itself. If you want a compatibility prompt and an explicit first step for installation, the combo product delivers that guidance; otherwise, the New For product should be enough.
At a glance
| Product | Listed price | Price bar |
|---|---|---|
| New For RV Camper Slideout System RV Slide Out Seal 018-312-EKD 018-341 EK | $53.99 | |
| Combo RV Slide Out Seal 018-341 EK 018-312-EKD Fits RV Camper Slideout System | $63.99 |
Where the New For product wins
The New For product wins on cost. It uses the same installation approach-slide the 018-312-EKD D-seal onto the 018-341 EK base and screw the rubber into place-and it offers the same money-back-or-replacement after-sales option. If you are comfortable with the part numbers, this is the one to start with.
Where the combo product wins
The combo product wins on clarity. It tells you to confirm the model number, part number, and photo before ordering, which can prevent a wrong purchase. It then walks you through removing the tape from the 018-341 EK seal base before installing. That level of guidance is the main reason to choose it.
New For RV Camper Slideout System RV Slide Out Seal 018-312-EKD 018-341 EK US
This product covers the same 018-312-EKD D-seal and 018-341 EK base combination. Installation starts by sliding the D seal onto the EK base and screwing the rubber into place. The after-sales promise is money back or replacement, which gives a straightforward remedy. The one limitation is that it doesn't carry the compatibility caution found on the combo product, so you need to be more certain about your part numbers before ordering. If you already know these numbers work, the New For product is the more economical pick.
Combo RV Slide Out Seal 018-341 EK 018-312-EKD Fits RV Camper Slideout System
This combo product makes the pairing obvious from the title and guides you through the early installation steps. It asks you to verify that the model number, part number, and photo match your setup, then starts with removing the tape from the 018-341 EK seal base. Those extras are helpful if you are replacing a slide-out seal for the first time or want less guesswork. The trade-off is the higher cost, especially since the part numbers, color, and condition are the same as the New For product. If the guidance matters more than the price difference, this is the version to choose.
Final choice by use case
- Choose the New For product if you are confident about the fit and want the more economical route to the 018-312-EKD / 018-341 EK pair.
- Choose the combo product if the explicit combo framing, compatibility note, and tape-removal step are worth the extra cost to you.
- If you are not sure about fit, follow the combo product's own advice and confirm the part numbers and photo before ordering.
